Reliable power module Function and safety: maintains a stable supply at a safe 9V limit to prevent circuit damage, helping components run smoothly during prototyping. Compatibility and use: designed for use with a solderless breadboard setup to support quick and reliable testing of circuits. Ample breadboard space Space and design: 830 connection points on a solderless breadboard provide ample room for building and testing complex circuit designs. Prototyping comfort: easy insertion of wires and components enables efficient experimentation and iteration. Diverse components included Content and versatility: includes diodes, transistors, ICs, capacitors, LEDs, and resistors to support a wide range of project applications. Practical scope: suitable for learning, practicing, and developing varied electronic circuits from simple indicators to more advanced assemblies. Use scenarios Education and learning: ideal for students and hobbyists to build basic circuits such as LED indicators, resistor networks, and simple switching demonstrations on a reliable platform. Prototyping and experimentation: supports developing and testing small to moderately complex circuits, enabling rapid iteration with a single breadboard and common components. Power regulation and signal experiments: suitable for experiments involving power supply stabilization, filtering, and basic regulator or logicrelated projects using the included parts.